H.D. · Harold D. · R.D. · R Doughty
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Guide to American Graduate Schools | 978-0-14-311468-0 (0-14-311468-9) | 2009 |
| Guide to American Graduate Schools: Ninth Edition, Completely Revised | 978-0-14-200397-8 (0-14-200397-2) | 2004 |
| The Penguin Guide to American Business Schools | 978-0-14-046995-0 (0-14-046995-8) | 2000 |